<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>学生管理系统首页</title>
</head>
<body>

<c:if test="${sessionScope.username eq null}">
    <a href="${pageContext.request.contextPath}/login.jsp">请登录</a>
</c:if>

<c:if test="${sessionScope.username ne null}">
    <a href="${pageContext.request.contextPath}/addStudentInfo.jsp">添加学生信息</a>
    <a href="${pageContext.request.contextPath}/listStudentServlet">查看学生信息</a>
</c:if>

</body>
</html>
